Home / 865,988.40-1,298,829.50-234,951.42

Finding the Fourth Proportional to 865,988.40, 1,298,829.50 and 234,951.42

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Solution

The fourth proportional to 865,988.40, 1,298,829.50 and 234,951.42 is: 352,385.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,988.40 : 1,298,829.50 = 234,951.42 : x
  2. Step 2: Convert to fraction form
    865,988.40/1,298,829.50 = 234,951.42/x
  3. Step 3: Cross multiply
    865,988.40x = 1,298,829.50 × 234,951.42
  4. Step 4: Simplify right side
    865,988.40x = 305,161,835,362.89
  5. Step 5: Solve for x
    x = 305,161,835,362.89/865,988.40
  6. Step 6: Final answer
    x = 352,385.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.